ผมคิดว่าคุณต้องบอกให้เข้าหยุดไม่งั้

ผมคิดว่าคุณต้องบอกให้เข้าหยุดไม่งั้นเขาคงต้องอยู่ในโรงพยาบาลตลอดชีวิตของเขา

Results (English) 1:

I think you must to stop or else he must remain in hospital throughout his life.

Results (English) 2:

I think you have to tell him to stop or else he would have to stay in hospital throughout his life.

Results (English) 3:

I think you need to stop or else he would have to stay in the hospital throughout his life.